Different-Shaped Ultrafine MoNbTaW HEA Powders Prepared via Mechanical Alloying

Different-shaped ultrafine MoNbTaW high-entropy alloy powders were firstly prepared by a convenient mechanical alloying method. The phase composition and microstructure of the powders were characterized. The powders are ultrafine with nano-sized grains and a good homogeneous microstructure. All the...

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Published inMaterials Vol. 11; no. 7; p. 1250
Main Authors Tong, Yonggang, Qi, Peibu, Liang, Xiubing, Chen, Yongxiong, Hu, Yongle, Hu, Zhenfeng
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 20.07.2018
MDPI
Subjects
Alloy development
Alloy powders
Alloys
Communication
Corrosion resistance
High entropy alloys
high-entropy alloy
Intermetallic compounds
Lasers
Mechanical alloying
Mechanical properties
Microstructure
Phase composition
Plasma sintering
powder technology
Scanning electron microscopy
Sintering (powder metallurgy)
Solid solutions
Spraying
Ultrafines
Beijing China
United States > US
China
mechanical alloying
high-entropy alloy
microstructure
powder technology
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Summary:Different-shaped ultrafine MoNbTaW high-entropy alloy powders were firstly prepared by a convenient mechanical alloying method. The phase composition and microstructure of the powders were characterized. The powders are ultrafine with nano-sized grains and a good homogeneous microstructure. All the powders have a single body-centered cubic solid solution phase and form the high-entropy alloy during mechanical alloying. These powders with different shapes are quite attractive for developing high-performance MoNbTaW high-entropy alloy bulk and coatings combined with a following sintering, spraying, or additive manufacturing technique.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1996-1944
1996-1944
DOI:10.3390/ma11071250